Explanation

Answer:

B

AIDS results from the disruption of the immune system caused by HIV infecting and destroying a special group of white blood cells called helpers for T4 cells. And with the collapse of the immune system, severe opportunistic infections. today, more than 1.2 million people are living with HIV in the U.S. and there are more than 35,000 new infections each year.

Explanation

Hyperglycemia due to diabetes can damage blood vessels, the heart, and the nerves that control blood vessels. Over time, this damage can lead to heart disease. People with diabetes are more likely to develop heart disease earlier than people without diabetes.

Explanation

Answer:

D

Meningitis is a clinical syndrome characterized by inflammation of the meninges i-e membranes

Explanation

Limestone (چونے کا پتھر) is a type of carbonate sedimentary rock. 

Explanation

New Zealand is the first country in the world to propose a carbon tax.

for its people to address global warming in the year 2005.

New Zealand is first to levy carbon tax.

when the country becomes the first in the world to introduce a carbon tax to address global warming.

Explanation

A monarch is a head of state for life or until abdication, and therefore the head of state of a monarchy

Explanation

Percent Value: 60%

Number: 240

60% of 240...

... is equivalent to multiplying them:

60% × 240 = 144

Explanation

In 1935, the Iranian government requested that all countries with which it had diplomatic relations call the country by its Persian name, Iran. 

Explanation

Answer:

D

The permanant hardness cannot be removed even if it is boiled. The permanent hardness of  water can be removed by the gun's palm tit method, ion exchange resin method, and cleaning soda method. This means that the permanent hardness of water cannot be removed with boiling water.

Explanation

Coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal.

It has both medical and industrial uses.